ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Explore membership for yourself or for your organization.
Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
Latest Magazine Issues
Mar 2026
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
March 2026
Nuclear Technology
February 2026
Fusion Science and Technology
April 2026
Latest News
NRC approves TerraPower construction permit
Today, the Nuclear Regulatory Commission announced that it has approved TerraPower’s construction permit application for Kemmerer Unit 1, the company’s first deployment of Natrium, its flagship sodium fast reactor.
This approval is a significant milestone on three fronts. For TerraPower, it represents another step forward in demonstrating its technology. For the Department of Energy, it reflects progress (despite delays) for the Advanced Reactor Demonstration Program (ARDP). For the NRC, it is the first approval granted to a commercial reactor in nearly a decade—and the first approval of a commercial non–light water reactor in more than 40 years.
Technical Session|Sponsored by NCSD
Wednesday, June 16, 2021|4:30–6:15PM EDT
Session Chair:
Michael A. Fendler
Alternate Chair:
Theresa E. Cutler
Session Organizer:
Vladimir Sobes
Staff Producer:
Erica McGowan (ANS)
To access the session recording, you must be logged in and registered for the meeting.
Register NowLog In
To access paper attachments, you must be logged in and registered for the meeting.
Discovery of AMPX Thermal Scattering Law Processing Issue for Solid Moderators
Alex Lang (ORNL), Alex Shaw (ORNL), Chris Chapman (ORNL), William Marshall (ORNL)
Paper
Reducing Direct Perturbation Uncertainty for High-Sensitivity Coefficients
T. M. Greene (ORNL), W. J. Marshall (ORNL), J. B. Clarity (ORNL)
Sensitivity Calculations for Systems with Polyethylene Reflector Materials Using CLUTCH
William Marshall (ORNL), Alex Lang (ORNL)
Uniformly Ordered Binary Decision Algorithm for Benchmark Experiment Correlations in Whisper Validation
Brian C. Kiedrowski (Univ. of Michigan)
There is 1 comment in this discussion.
To join the conversation, you must be logged in and registered for the meeting.
